SNA Series Plummer Blocks

Horizontally split bearing housings with versatile base hole configurations — engineered for precision, heavy-load reliability and long service life.

Grey Cast Iron Grease Lubricated 4 Seal Options

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Key Features

ARUN SNA Series — Data Summary

Horizontally Split Design

Two bolt cap with two elongated base holes OR two/four round base holes — flexible for varied mounting configurations.

Compatible Bearings

Self-aligning ball bearings (1200.., 1300..) and spherical roller bearings (21300.., 22200.., 23200..).

Flexible Mounting

Direct mounting (cylindrical bore) or Adapter Sleeve mounting (tapered bore bearing).

Fixed / Expansion Type

Fixed/Locating type via locating ring; Free/Expansion type without locating ring.

Grease Lubrication

Suitable for re-lubrication. Ensures long operational life under heavy loads.

Sealing Options

Four sealing arrangements: Double-lip seal (TG), V-Ring seal (TA), Felt seal (TC) and Labyrinth seal (TS) — for varied environments.

Eye Bolt Lifting

Integrated eye bolt for safe handling from size 524 / 620 / 224 / 320 onwards.

Material

High-grade grey cast iron (standard). Custom materials available as per customer requirements.

Catalogues

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SNA 300

Dimension data & specifications for SNA 300 range plummer blocks.

SNA 200

Dimension data & specifications for SNA 200 range plummer blocks.

SNA 600

Dimension data & specifications for SNA 600 range plummer blocks.

SNA 500

Dimension data & specifications for SNA 500 range plummer blocks.

Need a custom specification? Our engineers are ready to assist with special material grades, sealing arrangements and non-standard sizes.